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 <h1>预定义接口</h1>
<h2>Table of Contents</h2><ul class="chunklist chunklist_part"><li><a href="class.traversable.html">遍历</a></li><li><a href="class.iterator.html">迭代器</a></li><li><a href="class.iteratoraggregate.html">聚合式迭代器</a></li><li><a href="class.arrayaccess.html">数组式访问</a></li><li><a href="class.serializable.html">序列化</a></li><li><a href="class.closure.html">Closure</a></li></ul>


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   参见 <a href="spl.interfaces.html" class="link">SPL 接口</a>
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